CVE-2026-121607

CRITICAL 10.0

Qihoo 360 D603-2/D600-2/D606-6/D706 iscm testspeed_command os command injection

CVSS Score

10.0

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was found in Qihoo 360 D603-2, D600-2, D606-6 and D706 up to 6.4.9. This affects the function testspeed_command of the file /fs2/bin/iscm. Performing a manipulation of the argument host results in os command injection. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-78 CWE-77
Vendor	qihoo 360
Product	d603-2
Published	Nov 4, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Qihoo 360 / D603-2

6.4.0 6.4.1 6.4.2 6.4.3 6.4.4 6.4.5 6.4.6 6.4.7 6.4.8 6.4.9

Qihoo 360 / D600-2

6.4.0 6.4.1 6.4.2 6.4.3 6.4.4 6.4.5 6.4.6 6.4.7 6.4.8 6.4.9

Qihoo 360 / D606-6

6.4.0 6.4.1 6.4.2 6.4.3 6.4.4 6.4.5 6.4.6 6.4.7 6.4.8 6.4.9

Qihoo 360 / D706

6.4.0 6.4.1 6.4.2 6.4.3 6.4.4 6.4.5 6.4.6 6.4.7 6.4.8 6.4.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/430444 vuldb.com: https://vuldb.com/vuln/430444/cti vuldb.com: https://vuldb.com/cve/CVE-2026-121607 vuldb.com: https://vuldb.com/submit/1023262 gist.github.com: https://gist.github.com/gajgdm6-cpu/e8ef7f512bebb987b0119562873afd5a

Credits

🔍 xiaomao (VulDB User) VulDB CNA Team